1.YQ-30 is the manual integral hydraulic spreader. Once the wedge
tip is inserted into the separation gap,press hydraulic pump,come
out with hydraulic pressure to promote the wedge iron internal
expansion head, the wedge iron expand outwards, so that the object
separated. Mainly used for pipeline repair debugging, replacement,
remove the flange and the need to expand, separation where objects.

2.Time-saving, convenient, safe and reliable, durable, objects will
not damage. As long as the socket width bigger than 9mm,the tool
can be inserted into the separation.